Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d492631a5f06233…

MALICIOUS

PDF

102.2 KB Created: 2020-09-16 17:27:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 01b293b79aff608bbf39a6451c3f039e SHA-1: 19cdd4809ba017a84fe312e5371bcd4c33fd4970 SHA-256: 5d492631a5f0623387a5d562405ea2f37b3fa903d7117bbbf16c0c5b9be3057b
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous embedded links, with one identified as a malicious redirector. The heuristic 'SE_MFA_LURE' suggests the document is designed to trick users into providing sensitive information, possibly by mimicking an MFA prompt. The presence of many links, including benign ones from Shopify, indicates a link farm strategy to obscure the malicious destination.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • MFA / one-time-code harvesting lure high SE_MFA_LURE
    Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.cc/wix?keyword=honeywell+vista+15p+user+guide
    • http://files.darknight.ca/uploads/1/3/1/4/131437657/53795f69a75.pdf
    • http://puxodafe.mhsrunningtribe.com/uploads/1/3/1/4/131482952/022ad7a.pdf
    • http://jowiv.flexiblemindtherapy.com/uploads/1/3/2/8/132815002/7637596.pdf
    • http://files.dancinggoatsmilksoap.com/uploads/1/3/1/4/131482853/6224059.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • https://cdn.shopify.com/s/files/1/0429/2768/5799/files/organic_chemistry_bruice_8th_edition.pdf
    • https://cdn.shopify.com/s/files/1/0435/6292/6229/files/occupational_safety_and_health_malaysia.pdf
    • https://cdn.shopify.com/s/files/1/0434/8523/3302/files/pugosigusuj.pdf
    • https://cdn.shopify.com/s/files/1/0432/3603/2680/files/6606027263.pdf
    • https://cdn.shopify.com/s/files/1/0433/6379/5094/files/58711876470.pdf
    • https://cdn.shopify.com/s/files/1/0433/0101/1611/files/88708557551.pdf
    • https://cdn.shopify.com/s/files/1/0436/7053/6345/files/binupamogilixakoxusugaxid.pdf
    • https://cdn.shopify.com/s/files/1/0433/9862/7495/files/infrastructure_as_a_service_in_cloud_computing.pdf
    • https://cdn.shopify.com/s/files/1/0434/1753/4629/files/fawokifor.pdf
    • https://cdn.shopify.com/s/files/1/0432/2433/4498/files/bavalevut.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00013260.bin
4e14377e5c81e0481d8700cd46c51d7a39c4eba6de0f772adfb33871a7cbaead		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13260 5400 bytes
font_01_sfnt_off000144e7.bin
f0f4b753d3686ff2922851c1782b0ed4958e8a994ecf06118f0ae3abf7081ca0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x144E7 10272 bytes
font_02_sfnt_off0001684e.bin
9a889fb1f22e22188aa82d2973589f3fa7e946ee103f4e44f61fc1d2ef93c4a9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1684E 16196 bytes
font_03_sfnt_off00017d79.bin
9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x17D79 4324 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.